class Person:
    Dates = "2020-05-05"

    def __init__(self, name, age):
        self.name = name
        self.age = age

    def paobu(self):
        print("%s 跑步" % self.name)

    def zoulu(self):
        print("%s 走路" % self.name)

    def changge(self):
        print("%s 唱歌" % self.name)

    def __techang(self):
        print("%s 个人特长" % self.name)

    def getTC(self):
        self.__techang()


per = Person("king", 18)
per.getTC()
print(Person.Dates)

